PEP8: applied even more rules
[youtube-dl] / youtube_dl / extractor / niconico.py
1 # encoding: utf-8
2 from __future__ import unicode_literals
3
4 import re
5 import json
6
7 from .common import InfoExtractor
8 from ..utils import (
9     compat_urllib_parse,
10     compat_urllib_request,
11     compat_urlparse,
12     unified_strdate,
13     parse_duration,
14     int_or_none,
15     ExtractorError,
16 )
17
18
19 class NiconicoIE(InfoExtractor):
20     IE_NAME = 'niconico'
21     IE_DESC = 'ニコニコ動画'
22
23     _TEST = {
24         'url': 'http://www.nicovideo.jp/watch/sm22312215',
25         'md5': 'd1a75c0823e2f629128c43e1212760f9',
26         'info_dict': {
27             'id': 'sm22312215',
28             'ext': 'mp4',
29             'title': 'Big Buck Bunny',
30             'uploader': 'takuya0301',
31             'uploader_id': '2698420',
32             'upload_date': '20131123',
33             'description': '(c) copyright 2008, Blender Foundation / www.bigbuckbunny.org',
34             'duration': 33,
35         },
36         'params': {
37             'username': 'ydl.niconico@gmail.com',
38             'password': 'youtube-dl',
39         },
40     }
41
42     _VALID_URL = r'https?://(?:www\.|secure\.)?nicovideo\.jp/watch/((?:[a-z]{2})?[0-9]+)'
43     _NETRC_MACHINE = 'niconico'
44     # Determine whether the downloader used authentication to download video
45     _AUTHENTICATED = False
46
47     def _real_initialize(self):
48         self._login()
49
50     def _login(self):
51         (username, password) = self._get_login_info()
52         # No authentication to be performed
53         if not username:
54             return True
55
56         # Log in
57         login_form_strs = {
58             'mail': username,
59             'password': password,
60         }
61         # Convert to UTF-8 *before* urlencode because Python 2.x's urlencode
62         # chokes on unicode
63         login_form = dict((k.encode('utf-8'), v.encode('utf-8')) for k, v in login_form_strs.items())
64         login_data = compat_urllib_parse.urlencode(login_form).encode('utf-8')
65         request = compat_urllib_request.Request(
66             'https://secure.nicovideo.jp/secure/login', login_data)
67         login_results = self._download_webpage(
68             request, None, note='Logging in', errnote='Unable to log in')
69         if re.search(r'(?i)<h1 class="mb8p4">Log in error</h1>', login_results) is not None:
70             self._downloader.report_warning('unable to log in: bad username or password')
71             return False
72         # Successful login
73         self._AUTHENTICATED = True
74         return True
75
76     def _real_extract(self, url):
77         mobj = re.match(self._VALID_URL, url)
78         video_id = mobj.group(1)
79
80         # Get video webpage. We are not actually interested in it, but need
81         # the cookies in order to be able to download the info webpage
82         self._download_webpage('http://www.nicovideo.jp/watch/' + video_id, video_id)
83
84         video_info = self._download_xml(
85             'http://ext.nicovideo.jp/api/getthumbinfo/' + video_id, video_id,
86             note='Downloading video info page')
87
88         if self._AUTHENTICATED:
89             # Get flv info
90             flv_info_webpage = self._download_webpage(
91                 'http://flapi.nicovideo.jp/api/getflv?v=' + video_id,
92                 video_id, 'Downloading flv info')
93         else:
94             # Get external player info
95             ext_player_info = self._download_webpage(
96                 'http://ext.nicovideo.jp/thumb_watch/' + video_id, video_id)
97             thumb_play_key = self._search_regex(
98                 r'\'thumbPlayKey\'\s*:\s*\'(.*?)\'', ext_player_info, 'thumbPlayKey')
99
100             # Get flv info
101             flv_info_data = compat_urllib_parse.urlencode({
102                 'k': thumb_play_key,
103                 'v': video_id
104             })
105             flv_info_request = compat_urllib_request.Request(
106                 'http://ext.nicovideo.jp/thumb_watch', flv_info_data,
107                 {'Content-Type': 'application/x-www-form-urlencoded'})
108             flv_info_webpage = self._download_webpage(
109                 flv_info_request, video_id,
110                 note='Downloading flv info', errnote='Unable to download flv info')
111
112         if 'deleted=' in flv_info_webpage:
113             raise ExtractorError('The video has been deleted.',
114                                  expected=True)
115         video_real_url = compat_urlparse.parse_qs(flv_info_webpage)['url'][0]
116
117         # Start extracting information
118         title = video_info.find('.//title').text
119         extension = video_info.find('.//movie_type').text
120         video_format = extension.upper()
121         thumbnail = video_info.find('.//thumbnail_url').text
122         description = video_info.find('.//description').text
123         upload_date = unified_strdate(video_info.find('.//first_retrieve').text.split('+')[0])
124         view_count = int_or_none(video_info.find('.//view_counter').text)
125         comment_count = int_or_none(video_info.find('.//comment_num').text)
126         duration = parse_duration(video_info.find('.//length').text)
127         webpage_url = video_info.find('.//watch_url').text
128
129         if video_info.find('.//ch_id') is not None:
130             uploader_id = video_info.find('.//ch_id').text
131             uploader = video_info.find('.//ch_name').text
132         elif video_info.find('.//user_id') is not None:
133             uploader_id = video_info.find('.//user_id').text
134             uploader = video_info.find('.//user_nickname').text
135         else:
136             uploader_id = uploader = None
137
138         return {
139             'id': video_id,
140             'url': video_real_url,
141             'title': title,
142             'ext': extension,
143             'format': video_format,
144             'thumbnail': thumbnail,
145             'description': description,
146             'uploader': uploader,
147             'upload_date': upload_date,
148             'uploader_id': uploader_id,
149             'view_count': view_count,
150             'comment_count': comment_count,
151             'duration': duration,
152             'webpage_url': webpage_url,
153         }
154
155
156 class NiconicoPlaylistIE(InfoExtractor):
157     _VALID_URL = r'https?://www\.nicovideo\.jp/mylist/(?P<id>\d+)'
158
159     _TEST = {
160         'url': 'http://www.nicovideo.jp/mylist/27411728',
161         'info_dict': {
162             'id': '27411728',
163             'title': 'AKB48のオールナイトニッポン',
164         },
165         'playlist_mincount': 225,
166     }
167
168     def _real_extract(self, url):
169         list_id = self._match_id(url)
170         webpage = self._download_webpage(url, list_id)
171
172         entries_json = self._search_regex(r'Mylist\.preload\(\d+, (\[.*\])\);',
173                                           webpage, 'entries')
174         entries = json.loads(entries_json)
175         entries = [{
176             '_type': 'url',
177             'ie_key': NiconicoIE.ie_key(),
178             'url': ('http://www.nicovideo.jp/watch/%s' %
179                     entry['item_data']['video_id']),
180         } for entry in entries]
181
182         return {
183             '_type': 'playlist',
184             'title': self._search_regex(r'\s+name: "(.*?)"', webpage, 'title'),
185             'id': list_id,
186             'entries': entries,
187         }